Home / 240,214.18-331,489.68-132,781.42

Finding the Fourth Proportional to 240,214.18, 331,489.68 and 132,781.42

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Solution

The fourth proportional to 240,214.18, 331,489.68 and 132,781.42 is: 183,235.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,214.18 : 331,489.68 = 132,781.42 : x
  2. Step 2: Convert to fraction form
    240,214.18/331,489.68 = 132,781.42/x
  3. Step 3: Cross multiply
    240,214.18x = 331,489.68 × 132,781.42
  4. Step 4: Simplify right side
    240,214.18x = 44,015,670,425.75
  5. Step 5: Solve for x
    x = 44,015,670,425.75/240,214.18
  6. Step 6: Final answer
    x = 183,235.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.